<form action="@{Application.upload()}" method="POST" enctype="multipart/form-data">
    <input type="text" name="titles[0]" />
    <input type="file" name="files[0]" />
    <br />
    <input type="text" name="titles[1]" />
    <input type="file" name="files[1]" />
    <input type="submit" value="上传" />
</form>
